Curated OER
Typical Animal Characteristics
How is an animal formed? Scientists use a diagram to examine early post-fertilization stages, and the creation of the blastula. They look at a second diagram to observe the transition from the blastula to a gastrula. Three comprehension...
Curated OER
What is an Animal?
In this animal worksheet, students review various characteristics that are associated with animals including body plan and skeletal structure. This worksheet has 11 fill in the blank questions.
Curated OER
Pregnancy and Differentiation
In this pregnancy worksheet, students review the 5 steps of human development from ovulation to implantation plus embryo development. Students also review the 3 stages of birth. This worksheet has 8 fill in the blank, 4 drawing, and 3...